21719590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{94433}}^1$

素因数の和:94463

約数の個数: 16

約数和(自身を含む): 40795488

約数和(自身を除く): 19075898

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 94433, 188866, 472165, 944330, 2171959, 4343918, 10859795, 21719590]

約数ペア:

[(1, 21719590), (2, 10859795), (5, 4343918), (10, 2171959), (23, 944330), (46, 472165), (115, 188866), (230, 94433)]